HOW THEY WORK
ELECTROMAGNETS - HOW THEY WORK, Encyclopaedia Britannica Films. 11 min., sd., color, 16 mm
Registration MP10522 Renewed
- Term began
- 1960-03-24
- Claimant
- Encyclopaedia Britannica Films, Inc
- Class
- MP — published motion picture other than a photoplay (numbering series begun Jan. 1950)
- Finding
- renewal RE411537 filed 1988-12-28 by Encyclopaedia Britannica Educational Corporation (number+date; Copyright Office public records dataset, record 7307278)
- Enters the public domain
- 1 January 2056 (95 years from the 1960 publication)
A renewal registration for this work was found. The renewed term lasts 95 years from the original date, so the work remains under copyright.
Renewal RE411537 (link: number+date, title similarity 0.00)
- Renewal claimant
- Encyclopaedia Britannica Educational Corporation (PWH)
- Renewal date
- 1988-12-28
- Original cited
- MP10522 / 1960-03-24
- Source
- U.S. Copyright Office public records dataset (renewals registered 1978–2025, January 2026 release), control number 7307278: record in the Copyright Public Records System
Structured record, not OCR: renewal number RE411537, registered 1988-12-28, for original registration MP10522 published 1960-03-24.
Catalog entry
Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1960, Internet Archive catalogofcopyr3141213libr (OCR text), lines 32392–32396.
ELECTROMAGNETS - HOW THEY WORK, Ency- clopaedia Britannica Films. 11 min., sd., color, 16 mm. © Encyclopaedia Britannica Films, Inc.; 24Mar60; MP10522,
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